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1#!/bin/sh
2#
0ab2a272 3# gcc-version [-p] gcc-command
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4#
5# Prints the gcc version of `gcc-command' in a canonical 4-digit form
6# such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc.
7#
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8# With the -p option, prints the patchlevel as well, for example `029503' for
9# gcc-2.95.3, `030301' for gcc-3.3.1, etc.
10#
11
de47062a 12if [[ $1 = "-p" ]] ; then with_patchlevel=1; shift; fi
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13
14compiler="$*"
15
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16if [ ${#compiler} -eq 0 ]; then
17 echo "Error: No compiler specified."
18 echo -e "Usage:\n\t$0 <gcc-command>"
19 exit 1
20fi
21
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22MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
23MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
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24if [ "x$with_patchlevel" != "x" ] ; then
25 PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1)
26 printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
27else
28 printf "%02d%02d\\n" $MAJOR $MINOR
29fi